Standard guitars have six strings
A standard acoustic or electric guitar has six strings. Each string is tuned to a different pitch, and together they form the foundation of nearly all guitar music you hear. The strings are numbered from thickest to thinnest: the low E string (string 6), A string (string 5), D string (string 4), G string (string 3), B string (string 2), and high E string (string 1).
This six-string setup has been the guitar standard for centuries and works well for most playing styles—from folk and country to rock and jazz. The spacing between strings and the range they cover make it possible to play chords, melodies, and bass lines all on one instrument.
Key Takeaways
- Standard guitars have six strings tuned to E, A, D, G, B, and E from lowest to highest pitch.
- Seven-string and twelve-string guitars exist but are less common and require different playing techniques.
- The thickness and material of each string affect its tone, and strings wear out over time and need replacement.
- Learning the string names and their order is one of the first steps for any new guitarist.
Why guitars have six strings instead of more or fewer
Six strings strike a balance between range and playability. With six strings, a guitarist can cover nearly three octaves of pitch, which is enough for most songs. Adding more strings would make the neck wider and harder to hold, while fewer strings would limit what you could play.
The six-string layout also became standard because it works across many musical styles. Classical, flamenco, blues, rock, and country music all developed around this same string count. This means most written music, tutorials, and chord charts assume you have six strings.
Seven-string and twelve-string guitars: when and why
Some guitarists use seven-string guitars, which add an extra low B string below the standard low E. This is common in metal and progressive rock, where the lower pitch adds heaviness to the sound. Seven-string guitars require a wider neck and different finger positioning, so they are not a casual switch from a standard guitar.
Twelve-string guitars have six pairs of strings instead of six single strings. Each pair is tuned close together, creating a shimmering, fuller sound. Folk and rock musicians use twelve-string guitars for recording and live performance, but they are harder to play because the strings are closer together and require more finger strength. The extra strings also make the neck thicker and the instrument heavier.
How string thickness and material affect tone
Each of the six strings has a different thickness, or gauge. The low E string is the thickest and produces the deepest sound. As you move toward the high E string, each one gets thinner and produces a higher pitch. The thickness is measured in thousandths of an inch—a typical low E string might be 0.046 inches thick, while a high E string might be 0.010 inches.
The material also matters. Most acoustic and electric guitar strings are made of steel or nickel-plated steel, though classical guitars use nylon strings on the three highest strings and wound strings on the three lowest. The material changes how long the string lasts, how it feels under your fingers, and what tone it produces. Steel strings are brighter and louder; nylon strings are warmer and softer.
When and how to replace guitar strings
Guitar strings wear out from playing, and you will notice they sound duller, feel rough under your fingers, or break during normal play. Most players replace strings every three to six months if they play regularly, or once a year if they play casually. You can replace all six strings at once or replace them one at a time as they break.
When you replace a string, you loosen the tuning peg at the headstock, remove the old string, thread the new string through the bridge or bridge pin, and tighten it back up. New strings take a few hours to settle and stay in tune, so do not be alarmed if they slip slightly at first. Many guitarists replace strings before recording or performing because new strings sound brighter and stay in tune more reliably.
Learning the strings: names and order
Beginners often use the phrase "Eddie Ate Dynamite, Good Bye Eddie" to remember the string names from lowest to highest: E, A, D, G, B, E. The low E and high E have the same letter name but are different pitches—the high E is two octaves higher. Memorizing the string names helps you read chord diagrams, understand music theory, and communicate with other musicians.
Once you know the names, practice finding each string by ear and by sight. Pluck each string one at a time and say its name out loud. This builds muscle memory and makes it faster to tune your guitar and find notes on the fretboard.
Frequently Asked Questions
Can I play songs written for six strings on a seven-string guitar?
Yes. A seven-string guitar has all six standard strings plus an extra low B string. You straightforward ignore the seventh string and play the song normally. The extra string gives you more options but does not prevent you from playing standard six-string music.
Do all acoustic guitars have six strings?
Most do, but twelve-string acoustic guitars are also common, especially in folk and rock music. Classical acoustic guitars always have six strings. If you are buying your first guitar, a six-string is the standard choice.
What happens if one string breaks?
You can still play the guitar with five strings, but it will sound incomplete and you will not be able to play certain chords or notes. Replace the broken string as soon as you can. A replacement string costs a few dollars, and the process takes ten to fifteen minutes once you have done it a few times.
Do bass guitars have six strings?
Most bass guitars have four strings tuned one octave lower than a standard guitar's four lowest strings. Some bass players use five-string or six-string basses for more range, but four strings is the standard. Bass strings are much thicker than guitar strings because they vibrate at lower frequencies.
Why do some people tune their guitars differently?
Standard tuning (E, A, D, G, B, E) is the most common, but some musicians use alternate tunings to create different sounds or make certain songs easier to play. Alternate tunings change the pitch of one or more strings. This is an advanced technique and not something to worry about when you are learning.